摘要
对兰州市区地质灾害的分布、成因、特点进行了分析,着重研究了兰州市区山洪灾害和强度暴雨的时空分布、产生强度暴雨的天气系统以及山洪灾害和暴雨强度之间的关系,确定了临界降雨量指标,提出了防治对策,这对我市开展地质灾害气象预报预警工作是十分必要的。
In this paper, the distribution, causes and characteristics of geological calamity in Lanzhou city were analyzed, and the temporal and spatial distribution of geological calamity and intense rainstorm, the weather systems and the relation between geological calamity and rainstorm intensity were studied mainly. The critical precipitation index were set up and defending countermeasure was given, and these will be necessary for developing prediction and warning of geological calamity in Lanzhou city.
出处
《干旱气象》
2005年第1期63-67,共5页
Journal of Arid Meteorology
基金
甘肃省自然基金"甘肃省地质灾害业务系统研究"项目资助
关键词
兰州
地质灾害
暴雨
强度
Lanzhou city
geological calamity
rainstorm
intensity